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SIGPLAN
2002
15 years 5 months ago
Pattern-matching and rewriting rules for group indexed data structures
In this paper, we present a new framework for the definition of various data structures (including trees and arrays) together with a generic language of filters enabling a rule-ba...
Jean-Louis Giavitto, Olivier Michel, Julien Cohen
OZCHI
2005
ACM
15 years 11 months ago
Do physiological data relate to traditional usability indexes?
Task performance data and subjective assessment data are widely used as usability measures in the human-computer interaction (HCI) field. Recently, physiology has also been explor...
Tao Lin, Masaki Omata, Wanhua Hu, Atsumi Imamiya
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
16 years 7 months ago
COLR-Tree: Communication-Efficient Spatio-Temporal Indexing for a Sensor Data Web Portal
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
Yanif Ahmad, Suman Nath
ICDE
1999
IEEE
91views Database» more  ICDE 1999»
16 years 7 months ago
Real-Time Data Access Control on B-Tree Index Structures
This paper proposes methodologies to control the access of B-tree-indexed data in a batch and real-time fashion. Algorithms are proposed to insert, query, delete, and rebalance B-...
Tei-Wei Kuo, Chih-Hung Wei, Kam-yiu Lam
VLDB
2005
ACM
124views Database» more  VLDB 2005»
15 years 11 months ago
Indexing Multi-Dimensional Uncertain Data with Arbitrary Probability Density Functions
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
Yufei Tao, Reynold Cheng, Xiaokui Xiao, Wang Kay N...